Merge branch 'master', remote-tracking branch 'remotes/upstream/master'

* remotes/upstream/master:
  send browser back to correct page (with query args) after posting
  slight improvement in a couple of queries
  Diabook-dark - do things the right way instead of the stupid way.
  Fix TinyMCE, but needs adding to theme.php
  Fix jquery.fancybox, but still needs adding to theme.php
  Diabook-dark cleaned up a bit.
  don't provide 'show more' on remote friends in common unless there are actually more
  make it optional to optimize the item table after expire
  wrap private message autocomplete in an ifdef to make it easier to test/develop
  DE update for the strings
  make mod-follow hookable (e.g. service class limits) and also begin to prepare it for functionalisation

* master: